A picture is worth a thousand words...
A thousand words spoken with no one listening are worth exactly nothing.

The computer tools that we have available today give us access to a wide array of graphical
techniques and tools that can be used for effective presentation of complex data. However, we must
first understand what type of data we wish to present, since the presentation tool that should be
used for a set of data depends on the questions we wish to answer and the type of data we are using
to answer those questions.